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12323202021200 = 2452721016225097
BaseRepresentation
bin1011001101010011100000…
…0101000011011101010000
31121122002100010200221010002
42303110320011003131100
53103400404204134300
642113111215025132
72411215301610500
oct263247005033520
947562303627102
1012323202021200
113a21271304034
12147039b50b1a8
136b50c43c1905
14308636399a00
1516584c4e75d5
hexb3538143750

12323202021200 has 180 divisors, whose sum is σ = 34781203700892. Its totient is φ = 4183264512000.

The previous prime is 12323202021181. The next prime is 12323202021203. The reversal of 12323202021200 is 212020232321.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 6864453904 + 12316337567296 = 82852^2 + 3509464^2 .

It is a super-2 number, since 2×123232020212002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12323202021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1132949 + ... + 5092148.

Almost surely, 212323202021200 is an apocalyptic number.

12323202021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12323202021200 is an abundant number, since it is smaller than the sum of its proper divisors (22458001679692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323202021200 is a wasteful number, since it uses less digits than its factorization.

12323202021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6225230 (or 6225212 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12323202021200 its reverse (212020232321), we get a palindrome (12535222253521).

The spelling of 12323202021200 in words is "twelve trillion, three hundred twenty-three billion, two hundred two million, twenty-one thousand, two hundred".